SnowBrains Forecast: Up to 30 cm for NZ This Week

Snowfall forecast map
Credit: NOAA/NCEP GFS

This NZ snow forecast centers on a colder midweek storm that favors Canterbury and the central North Island, while Queenstown and Wanaka see lighter early-season refreshes. Confidence is strongest from Wednesday afternoon, June 24, through Saturday night, June 27, when the models generally agree on timing, falling snow levels, and a sharper southwesterly push. Early-season operations are still limited, with Coronet Peak offering the main confirmed lift-served skiing, The Remarkables and Mt. Hutt reporting no ski lifts open, and several fields targeting openings from Friday into early July, so the new snow is as much about base-building as immediate resort skiing.

Tuesday starts mostly quiet, then the first organized snow arrives on the South Island during Wednesday afternoon and evening. The models converge on a light Queenstown/Wanaka wave before the better forcing reaches Canterbury Wednesday night through Friday morning, with snow levels starting near 1,400-1,800 meters and then dropping well below most bases, locally into the 300-800 meter range. Snow quality should start dense to moderate with SLRs near 7-12, then improve to moderate or locally light as colder air arrives, with SLRs around 11-15 in the colder Thursday snow. Winds become a real part of the ski experience, especially around exposed Canterbury terrain, where gusts may be strong during the colder phase.

From Thursday afternoon through Saturday night, the focus broadens toward Mt. Ruapehu while Canterbury holds onto the most reliable totals. Model agreement is good on the colder shift and the broad timing, but intensity diverges, with one wetter solution much heavier for Canterbury and the North Island than the rest. Snow levels around Turoa and Whakapapa fluctuate higher at first, roughly 1,500-2,000 meters in the warmer pulses, then lower late Thursday and Friday as colder air deepens, so the best snow quality should come later in the event. Exposed Ruapehu winds look strong, and the models consistently show gusty periods that could make upper-mountain conditions rough even where snow is falling.

Sunday through early next week trends quieter, then the next storm signal appears around Sunday night through Tuesday. The models diverge much more by then on placement and intensity: some keep the better snow over the southern resorts, while others shift more energy toward Canterbury or the North Island later. Treat that as a lower-confidence, modest-to-locally-useful refresh rather than a locked-in storm, with a realistic broad signal of 5-15 cm for favored terrain and isolated higher amounts possible if the stronger solution verifies. Snow levels during that later period look more marginal at times, so snow quality may be denser before colder pockets improve it.

NZ Snow Forecast Resort Totals (Wed Jun 24 – Sat Jun 27)


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2026-06-23 20:50:05

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